Optical element, optical system and endoscope using the same

Details Optical element, optical system and endoscope using the same Optical element, optical system and endoscope using the same

2011-04-19

2011-04-19

Collins, Darryl J (Department: 2873)

Optical: systems and elements

Lens

With reflecting element

C359S726000

Reexamination Certificate

active

07929219

ABSTRACT:
A flux of light entering a transparent medium proceeds along a side view optical path by way of a first transmissive surface so as to be reflected to the side opposite to an image plane by a first reflective surface and then to the image plane side by a second reflective surface to form an optical path before going out from the transparent medium to the outside at the image plane side by way of a second transmissive surface in the order of forward ray tracing and also along a direct view optical path by way of a third transmissive surface to form another optical path before going out from the transparent medium into the outside at the image plane side by way of a fourth transmissive surface also as viewed in the order of forward ray tracing.

REFERENCES:
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patent: 6449103 (2002-09-01), Charles
patent: 2004/0254424 (2004-12-01), Simkulet et al.
patent: 2009/0082629 (2009-03-01), Dotan et al.
patent: 60-042728 (1985-03-01), None
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patent: 2006-113096 (2006-04-01), None
patent: 2006-126322 (2006-05-01), None
patent: 2006-154364 (2006-06-01), None
patent: 2006-209041 (2006-08-01), None
patent: WO 03-042743 (2003-05-01), None
patent: WO 2005/110186 (2005-11-01), None

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